CVE-2022-31246

Name: CVE-2022-31246
Creator: NVD / NIST
Published: 2022-06-17T14:15:08.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2022-31246 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of service by specifying the /dev/zero filename.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.74%

50.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-88

Affected Software

Vendor	Product	Versions
Electrum	Electrum	< 4.2.2

References

https://github.com/spesmilo/electrum/security/advisories/GHSA-4fh4-hx35-r355Third Party Advisory
https://twitter.com/ElectrumWallet/status/1534540879905665028Release Notes, Third Party Advisory
https://github.com/spesmilo/electrum/security/advisories/GHSA-4fh4-hx35-r355Third Party Advisory
https://twitter.com/ElectrumWallet/status/1534540879905665028Release Notes, Third Party Advisory

Timeline

Published: Jun 17, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-31246?

How severe is CVE-2022-31246?

CVE-2022-31246 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2022-31246?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-31246?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST